Home / 2,749.76-4,121.54-1,364.09

Finding the Fourth Proportional to 2,749.76, 4,121.54 and 1,364.09

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Solution

The fourth proportional to 2,749.76, 4,121.54 and 1,364.09 is: 2,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.76 : 4,121.54 = 1,364.09 : x
  2. Step 2: Convert to fraction form
    2,749.76/4,121.54 = 1,364.09/x
  3. Step 3: Cross multiply
    2,749.76x = 4,121.54 × 1,364.09
  4. Step 4: Simplify right side
    2,749.76x = 5,622,124.07
  5. Step 5: Solve for x
    x = 5,622,124.07/2,749.76
  6. Step 6: Final answer
    x = 2,044.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.